Bb Tenor Sax Mouthpiece, Aibay Nickel Platedze Bb Tenor Metal Saxophone Mouthpiece with Cap and Ligature Size #7 Metal ligature offers secured holding of the reed,Metal material ensures its longevity Perfect intonation, and good quality, instructor approved Design facilitates harmonics, streamline ensures player's comfort Features a high baffle design with special tone chamber for fast response Excellent dynamic range and a bright sound